Nylzej Zephier also known as Jezlyn Sully was a student residing in Yankton, South Dakota. ^{[undefined] [undefined]}

On Wednesday May 2, 2018, at around 2:40 a.m., police were called for a report of a self-inflicted gunshot wound. Authorities transported Zephier to a hospital where she was pronounced dead. ^[undefined]

Authorities stated 20-year-old Logan Winder, 19-year-old Logan Huber, 18-year-old Andrew Johnson and a 17-year-old female have been detained and will face ancillary charges in connection with the incident.

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